Factor by Grouping $18 x ^ { 2 } + 15 x y + 24 x y + 20 y ^ { 2 }$

question 122

Multiple Choice

Factor by grouping.
- $18 x ^ { 2 } + 15 x y + 24 x y + 20 y ^ { 2 }$

• A) \(( 3 x + 4 ) ( 6 x + 5 )\)
• B) \(( 3 x - 4 y ) ( 6 x + 5 y )\)
• C) \(( 18 x + 4 y ) ( x + 5 y )\)
• D) \(( 3 x + 4 y ) ( 6 x + 5 y )\)

Distinguish between the types of immunity (innate vs. adaptive), their components, and functions.

Understand the concept of self and nonself in the immune system and the importance of immune cells in identifying and eliminating nonself entities.

Describe the process and importance of antigen presentation in the initiation of an immune response.

Grasp the concept of immunological memory and how it underlies the body's ability to respond more rapidly and effectively to previously encountered pathogens.